Post-Election Report highlights suburban Cook turnout, trends

May 2, 2018
Press Release

This March 20 Gubernatorial Primary generated a great deal of interest up and down the ballot, and we saw this result in record-breaking or near-record setting marks in the number of registered voters, voters who took part in the election, the percentage of voters who participated in Early Voting, and the overall turnout rate. 

The Clerk’s Office’s 2018 Gubernatorial Primary Post-Election Report takes a comprehensive look at the voting totals, trends and statistics during the March primary throughout suburban Cook County. Below is a sample size of the standout primary numbers:

  • Voting before Election Day – by mail, or during Early Voting and Grace Period Voting – accounted for 29 percent of all ballots cast in this election.
  • Election Day Registration, offered for the first time in a Gubernatorial Primary, was popular with voters, especially younger ones. Voters between 17 and 22 years old made up 32 percent of the 4,278 who took advantage of Election Day Registration.
  • In the Democratic primary for Governor, J.B. Pritzker got 42 percent of the vote to 28 percent for Daniel Biss and 27 percent for Chris Kennedy. Pritzker got the most votes in 21 of 30 suburban Cook County townships.
  • Gov. Bruce Rauner received 54 percent of the vote in suburban Cook County to 46 percent for Jeanne Ives. Rauner got more votes in 21 of the 30 townships.

Full election results, with charts and maps illustrating election trends, can be found in the Post-Election Report at A PDF of the report can be downloaded here.